23251780832 has 48 divisors (see below), whose sum is σ = 52474730112. Its totient is φ = 9934911360.

The previous prime is 23251780829. The next prime is 23251780837. The reversal of 23251780832 is 23808715232.

It is a super-2 number, since 2×23251780832² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23251780832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23251780837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82658 + ... + 230945.

It is an arithmetic number, because the mean of its divisors is an integer number (1093223544).

Almost surely, 2^23251780832 is an apocalyptic number.

It is an amenable number.

23251780832 is an abundant number, since it is smaller than the sum of its proper divisors (29222949280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23251780832 is a wasteful number, since it uses less digits than its factorization.

23251780832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313951 (or 313943 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 23251780832 in words is "twenty-three billion, two hundred fifty-one million, seven hundred eighty thousand, eight hundred thirty-two".